A number of foliar diseases have made an appearance in corn across Indiana.
10 articles tagged "southern corn rust".
Southern corn rust has now been confirmed in two counties (Knox and Warrick) and we are awaiting samples from Porter, Shelby, Bartholomew, Decatur, Jennings that are highly probable for this week in Indiana (Figure 1).
Southern corn rust has now been confirmed in four counties (Knox, Dubois, Warrick, and Shelby) this week in Indiana (Figure 1). While tar spot continues to be documented across the state (Figure 2). I suggest if you have not gotten out and looked for these diseases now is the time. Even if your corn is approaching black layer it will be important to document tar spot in your fields for the future disease management decisions. There are currently 41 counties with a positive confirmation of tar spot (Figure 2). As we are learning this season when we have had favorable environmental conditions there may be pockets of tar spot even in areas that have not seen the significant yield impacts previously. In the map all gray counties indicate that tar spot was found in the county in previous seasons. I have been getting many questions on if a late season[Read More…]
The field crop pathology research program is continuing to track the distribution of corn and soybean field diseases in Indiana.
Southern corn rust has been confirmed in two counties (Knox and Daviess) this week both at low levels in Indiana (Figure 1).
Tar Spot – We continue to confirm counties with active tar spot. Twelve counties have been confirmed as of July 29, 2021.
Tar spot continues to be found in Indiana and our first confirmation of southern corn rust happened this week (Figures 1 and 2).
Both tar spot and southern corn rust continue to be documented across Indiana.
Tar Spot – We continue to confirm counties with active tar spot. Seventeen counties have been confirmed as of July 29, 2021.
We are starting to see a few diseases in soybean across Indiana.
